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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Piezo-elec. quartz | $1,202,145 | $1,447,256 | $1,435,659 | $542,243 | $389,170 | $1,295,276 |
| Synthetic/reconstructed precious/semi-precious stones (excl. piezo-electric ... | $341,872 | $502,519 | $623,125 | $1,357,081 | $1,234,463 | $591,293 |
| Synthetic/reconstructed precious/semi-precious stones, wkd./graded...; ungr ... | $1,041,776 | $1,178,408 | $271,760 | $630,652 | $447,754 | $318,185 |
| Total | $2,585,793 | $3,128,183 | $2,330,544 | $2,529,976 | $2,071,387 | $2,204,754 |
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